Production method of heat-based galvanized sheet for refrigerator sliding rail

The invention discloses a production method of a hot-based galvanized sheet for a refrigerator slide rail, which belongs to the technical field of steel production and comprises the following steps: steelmaking, continuous casting, hot continuous rolling and continuous pickling galvanization. And continuous acid pickling and galvanization, wherein the continuous acid pickling and galvanization comprises withdrawal and straightening phosphorus breaking, acid pickling, rinsing, heating, galvanization, finishing, passivation and withdrawal and straightening. The zinc-plated product has yield strength of less than or equal to 290MPa, tensile strength of less than or equal to 400MPa and elongation of more than or equal to 31%, and meets the stamping forming requirements of the refrigerator slide rail. 本发明公开了一种冰箱滑轨用热基镀锌板的生产方法，属于钢铁生产技术领域，工艺流程路线为：炼钢→连铸→热连轧→连续酸洗镀锌；连续酸洗镀锌：包括拉矫破磷、酸洗、漂洗、加热、镀锌、光整、钝化、拉矫。镀锌后产品性能屈服强度≤290MPa，抗拉强度≤400MPa，伸长率≥31％，满足冰箱滑轨冲压成形要求。